Zhang Fengzhong (张凤中) is donezo, making him the 10th general. He was the Director of the Political Work Department of the Rocket Force
Also via @LyleJMorris:
Two takeaways: The PLARF is now completely purged of senior generals and will experience major turnover with new generals in the coming years; and 2) Zhang Shengmin is a likely a placeholder for a new, younger CMC Vice Chair to be appointed during the next Party Congress.